Class Closure

java.lang.Object
  Closure

All Implemented Interfaces:

Function

public class Closure
extends java.lang.Object
implements Function

A Closure is a function defined by code being interpreted (either a function definition or a lambda expression), rather than being one of the built-in functions such as +.

Constructor Summary

Closure(java.lang.String parameter, Expression body, Environment env)
Creates a Closure with the specified components.

Method Summary

java.lang.Object

apply(java.lang.Object argument) Apply this function to a specified argument value.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Closure

public Closure(java.lang.String parameter,
               Expression body,
               Environment env)

Creates a Closure with the specified components.

Parameters:

parameter - the name used in the function for its input

body - the expression evaluated when the function is used

env - the environment in which the function was created

Method Detail

apply

public java.lang.Object apply(java.lang.Object argument)

Description copied from interface: Function

Apply this function to a specified argument value.

Specified by:

apply in interface Function

Parameters:

argument - the argument value

Returns:

the result value from the function application.